October weather forecast
Iona, ID

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Weather in October

October, like September, is a moderate autumn month in Iona, Idaho, with an average temperature fluctuating between 55.6°F (13.1°C) and 37.2°F (2.9°C).

Temperature

The shift into October is marked by a considerable temperature decrease, with the average high-temperature dropping from a warm 73.6°F (23.1°C) in September to a mild 55.6°F (13.1°C). Iona observes an average nighttime temperature of 37.2°F (2.9°C) during October.

Humidity

The average relative humidity in October in Iona is 56%.

Rainfall

In Iona, in October, during 7.2 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Iona, during the entire year, the rain falls for 84.3 days and collects up to 6.97" (177mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Iona, in October, snow falls for 1.3 days, with typically accumulated 0.28" (7mm) of snow. In Iona, during the entire year, snow falls for 54.4 days and aggregates up to 16.89" (429mm) of snow.

Daylight

The average length of the day in October in Iona is 11h and 0min.
On the first day of October, sunrise is at 7:26 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 6:19 pm MDT.

Sunshine

In October, the average sunshine is 7.3h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 in October interprets into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What are the temperatures in Iona in October?

The average high-temperature and low-temperature during October are 55.6°F (13.1°C) and 37.2°F (2.9°C) respectively.

What is the average humidity in October in Iona?

In October, the average relative humidity in Iona, Idaho, is 56%.

How much does it rain in Iona in October?

In Iona, Idaho, in October, it is raining for 7.2 days, with typically 0.63" (16mm) of accumulated precipitation.

How many days does it snow in October in Iona?

In October, it is snowing for 1.3 days. Throughout October, 0.28" (7mm) of snow is accumulated.

What is the average length of the day in October in Iona?

In Iona, Idaho, the average day length in October is 11h and 0min.

When is the sunrise / sunset in October in Iona?

In October, on the first day of the month, sunrise is at 7:26 am and sunset at 7:08 pm. On the last day of the month, in Iona, sunrise is at 8:03 am and sunset at 6:19 pm MDT.

How many hours of sunshine does Iona have in October?

In Iona, the average sunshine duration in October is 7.3h.

What are the months with the lowest UV index in Iona?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in October in Iona?

In Iona, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Iona, ID

Average temperature in October - Iona, ID
  • Average high temperature in October: 55.6°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (27.9°F).

  • Average low temperature in October: 37.2°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

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Average pressure in October
Iona, ID

Average pressure in October - Iona, ID
  • Average pressure in October: 30.06"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Iona, ID

Average wind speed in October - Iona, ID
  • Average wind speed in October: 7.5mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).

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Average humidity in October
Iona, ID

Average humidity in October - Iona, ID
  • Average humidity in October: 56%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (35%).

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Average rainfall in October
Iona, ID

Average rainfall in October - Iona, ID
  • Average rainfall in October: 0.63"

The wettest months (with the highest rainfall) are May and September (0.83").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in October
Iona, ID

Average rainfall days in October - Iona, ID
  • Average rainfall days in October: 7.2 days

The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in October
Iona, ID

Average snowfall in October - Iona, ID
  • Average snowfall in October: 0.28"

The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Iona, ID

Average snowfall days in October - Iona, ID
  • Average snowfall days in October: 1.3 days

The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in October /
Average sunshine in October
Iona, ID

Average daylight in October / Average sunshine in October - Iona, ID
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 7h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in October
Iona, ID

Average sunshine days in October - Iona, ID
  • Average sunshine days in October: 22.1 days

The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is February (16.2 days).

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Average UV index in October
Iona, ID

Average UV index in October - Iona, ID
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in October
Iona, ID

Average cloud cover in October - Iona, ID
  • Average cloud cover in October: 23

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in October
Iona, ID

Average visibility in October - Iona, ID
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

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Iona, Idaho, USA

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